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Finding the Fourth Proportional to 55,504.68, 83,257.80 and 18,064.95

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Solution

The fourth proportional to 55,504.68, 83,257.80 and 18,064.95 is: 27,097.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,504.68 : 83,257.80 = 18,064.95 : x
  2. Step 2: Convert to fraction form
    55,504.68/83,257.80 = 18,064.95/x
  3. Step 3: Cross multiply
    55,504.68x = 83,257.80 × 18,064.95
  4. Step 4: Simplify right side
    55,504.68x = 1,504,047,994.11
  5. Step 5: Solve for x
    x = 1,504,047,994.11/55,504.68
  6. Step 6: Final answer
    x = 27,097.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.